Holux M-241 (MTK based) Binary File Format (m241-bin)

The Holux m241 is a small datalogger using the MTK chipset, with
a couple small differences in the binary format. In its default
configuration, it can store ~100000 trackpoints with very limited
data; to configure extended logging you can use the BT747 open
source software
bt747
Waypoint storage is possible only if "recording reason" (RCR) is enabled in the settings.

Holux GPSport 245 is a datalogger with display suitable for cycling, walking and running.
It can store ~200k trackpoints with limited data. The m241 and m241-bin format is
able to automatically detect GPSport 245 data and handle the differences from Holux M-241 devices.
Note: GP245 does not log any quality of the position.

Use the m241 format to connect with the unit serially and m241-bin to read files saved by the device.

csv option

MTK compatible CSV output file.

Specifies a filename into which MTK-compatible CSV output will be written.